Rear portion of an automobile



FIG. 1 is a front perspective view of a rear portion of an automobile showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right-side view thereof, with the left-side view being a mirror image;

FIG. 4 is a top view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

In the drawings, the claimed design is shown darker than the surrounding environmental subject matter, the latter being shown lighter for contrast. 

The ornamental design for a rear portion of an automobile, as shown and described. 